/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2022 Osimis S.A., Belgium
 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 **/


#include "../PrecompiledHeaders.h"
#include "JpegErrorManager.h"

namespace Orthanc
{
  namespace Internals
  {
    void JpegErrorManager::OutputMessage(j_common_ptr cinfo)
    {
      char message[JMSG_LENGTH_MAX];
      (*cinfo->err->format_message) (cinfo, message);

      JpegErrorManager* that = reinterpret_cast<JpegErrorManager*>(cinfo->err);
      that->message = std::string(message);
    }


    void JpegErrorManager::ErrorExit(j_common_ptr cinfo)
    {
      (*cinfo->err->output_message) (cinfo);

      JpegErrorManager* that = reinterpret_cast<JpegErrorManager*>(cinfo->err);
      longjmp(that->setjmp_buffer, 1);
    }
      

    JpegErrorManager::JpegErrorManager()
    {
      memset(&pub, 0, sizeof(struct jpeg_error_mgr));
      memset(&setjmp_buffer, 0, sizeof(jmp_buf));

      jpeg_std_error(&pub);
      pub.error_exit = ErrorExit;
      pub.output_message = OutputMessage;
    }
  }
}